Vaisala DRYCAP DMT143 Podręcznik Użytkownika Pobierz pdf (Strona 20)

USER'S GUIDE ____________________________________________________________________

18 ___________________________________________________________________ M211435EN-E

Alarm LED

The alarm LED at the back of the transmitter provides a visual indication

of the transmitter’s status. The alarm LED functionality is preset at the

factory according to order form. You can configure it as follows:

- You can change the alarm limit using the DM70 hand-held dewpoint

meter. See section Operation with DM70 Hand-Held on page 34.

- You can use the ALARM command on the serial line to change the

alarm limit, enable/disable the dewpoint alarm, or turn on/off the LED

completely. See section Configure the Alarm LED on page 56.

Table 4 Alarm LED States

LED Color

Meaning

Not lit

Power off or LED functionality disabled.

Green

Power on, normal measurement.

Green and blinking

Purge or autocalibration in progress, measurement

frozen.

Red

Dewpoint above limit.

Red and blinking

Transmitter error. See section Error Messages on

page 66.

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Vaisala DRYCAP DMT143 Podręcznik Użytkownika Strona 20